package com.example.demo.mapper;

import com.example.demo.entity.Course;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface CourseMapper {

    @Select("SELECT * FROM course")
    public List<Course> getAll();

    @Insert("INSERT INTO course(id,courseName,teacherName) VALUES(#{id},#{courseName},#{teacherName})")
    public int addCourse(Course course);

    @Update("UPDATE course SET courseName = #{courseName},teacherName = #{teacherName} WHERE id = #{id}")
    public int updateCourse(Course course);

    @Delete("DELETE FROM course WHERE id = #{id}")
    public int deleteCourseById(int id);

    @Select("SELECT * FROM course WHERE id = #{id}")
    public Course getCourseById(int id);
}
